Parallel
Psalms 56:8
Brenton's English Septuagint · Berean Standard Bible
My heart, O God, [is] ready, my heart [is] ready: I will sing, yea will sing psalms.
57:7
My heart is steadfast, O God, my heart is steadfast. I will sing and make music.
57:8
Awake, my glory (note: Or Awake, my soul!)! Awake, O harp and lyre! I will awaken the dawn.